Giardia spp. and Cryptosporidium spp. In the Ivaí Indigenous Land, Brazil.
The objective of this study was to investigate the occurrence of cysts of Giardia spp. and oocysts of Cryptosporidium spp. in waters of the Ivaí Indigenous Land, Brazil. Samples of river and spring water and of treated water were filtered and analyzed by direct immunofluorescence (Merifluor kit, Meridian Bioscience, Cincinnati, Ohio). Of 21 samples, 7 from each locality, 3 (3/7, 42.8%) from a river were positive for Giardia (mean concentration 2.57 cysts/L), and 1 (1/7, 14.3%) was positive for Cryptosporidium (6 oocysts/L). From springs, 1 sample (1/7, 14.3%) was positive for Cryptosporidium (6 oocysts/L). One sample (1/7, 14.3%) from treated water was positive for both, with 4 oocysts/L and 2 cysts/L. Giardia was the more frequent protozoan present.
Nishi
Letícia
L
Programa de Pós-Graduação em Ciências da Saúde, Universidade Estadual de Maringá-UEM, Maringá, Paraná, Brazil. Bolsista CAPES. leticianishi@hotmail.com
Bergamasco
Rosângela
R
Toledo
Max Jean de Ornelas
MJ
Falavigna
Dina Lúcia Morais
DL
Gomes
Mônica Lúcia
ML
Mota
Lúcio Tadeu
LT
Falavigna-Guilherme
Ana Lúcia
AL
D000818:Animals; D001938:Brazil; D003458:Cryptosporidium / Q000302:isolation & purification*; D005618:Fresh Water / Q000469:parasitology*; D005872:Giardia / Q000302:isolation & purification*; D006863:Hydrogen-Ion Concentration; D018508:Water Purification; D014881:Water Supply / Q000592:standards*; D014887:Weather